Files
kotlin-fork/compiler/testData/diagnostics/tests/when/ElseOnNullableEnum.kt
T

55 lines
1.1 KiB
Kotlin
Vendored

// KT-2902 Check for null should be required when match nullable enum element
/*
* KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
*
* SPEC VERSION: 0.1-313
* PRIMARY LINKS: expressions, when-expression -> paragraph 5 -> sentence 1
* expressions, when-expression, exhaustive-when-expressions -> paragraph 2 -> sentence 9
* expressions, when-expression, exhaustive-when-expressions -> paragraph 2 -> sentence 10
*/
// FILE: 1.kt
enum class E { A, B }
fun test(e: E?) = <!NO_ELSE_IN_WHEN!>when<!> (e) {
E.A -> 1
E.B -> 2
}
fun withNull(e: E?) = when (e) {
E.A -> 3
E.B -> 4
null -> null
}
fun nullableNothing(): Nothing? = null
fun withNullableNothing(e: E?) = when (e) {
E.A -> 5
E.B -> 6
nullableNothing() -> null
}
fun platformType() = when (<!WHEN_ENUM_CAN_BE_NULL_IN_JAVA!>J.foo()<!>) {
E.A -> 7
E.B -> 8
}
fun platformTypeSmartCast(): Int {
val e = J.foo()
if (e == null) return -1
return when (<!DEBUG_INFO_SMARTCAST!>e<!>) {
E.A -> 1
E.B -> 2
}
}
// FILE: J.java
class J {
static E foo() {
return E.A;
}
}